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Trends in worldwide nanotechnology patent applications: 1991 to 2008
Nanotechnology patent applications published during 1991–2008 have been examined using the “title–abstract” keyword search on esp@cenet “worldwide” database. The longitudinal evolution of the number of patent applications, their topics, and their respective patent families have been evaluated for 15...
| Autores principales: | , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Springer Netherlands
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2988206/ https://www.ncbi.nlm.nih.gov/pubmed/21170123 http://dx.doi.org/10.1007/s11051-009-9831-7 |